курсовая работа / engine / game_objects / Projectile

import { GameObject } from "./GameObject.js";

export class Projectile extends GameObject {
/** @type {Weapon} */
source;

/** @param {Engine} engine
* @param {Weapon} source
* @returns {Projectile} */
static createProjectile(engine, source) {
let tsObj = engine.map.ts.get(source.props.ammoId);
let projectile = new Projectile(
{ width: tsObj.size.x, height: tsObj.size.y },
tsObj
);
projectile.pos = source.pos;
projectile.rot = source.owner.rot;
projectile.velocity = source.owner.rot.mult(projectile.props.speed);
projectile.source = source;
return projectile;
}

/** @override */
update(engine) {
super.update(engine);

if (
this.pos.x < 0 ||
this.pos.y < 0 ||
this.pos.x > engine.map.getRealSize().x ||
this.pos.y > engine.map.getRealSize().y
)
engine.destroy(this);

let receiver = engine.objects
.filter((o) => o.solid)
.filter((o) => o.shape.inside(this.pos))
.at(0);

if (receiver) {
engine.destroy(this);
receiver.receiveDamage(engine, this.source.props.damage);
engine.playSound(engine.sm.sounds.arrow_impact, this.pos);
}
}
}